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【单选题】
下列各组原子轨道的组合中，按给定方向能有效地组成s键的是
A.
s - p z 沿 x 轴方向；
B.
s - p y 沿 y 轴方向；
C.
p y - d xy 沿 x 轴方向；
D.
p z - d yz 沿 y 轴方向。
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参考答案：
举一反三
【单选题】I’m sure your parents are _______ with your progress in English study.A．pleaseB．pleasingC．please
A.
87. I’m sure your parents are _______ with your progress in English study. A．please
B.
pleasing
C.
pleased
D.
Pleasant
查看完整题目与答案
【单选题】Please tell me ______ your study. [     ]
A.
about
B.
with
C.
of
D.
on
查看完整题目与答案
【单选题】Father is writing in the study. Will you please _______ the radio? [     ]
A.
turn up
B.
turn on
C.
turn down
D.
turn over
查看完整题目与答案
【单选题】Jack _______ the test for further study in the college. Let’s have a party to congratulate him.
A.
passes
B.
has passed
C.
has been passing
D.
had passed
查看完整题目与答案
【单选题】Please be careful ______ your study ______ now on.
A.
to, from
B.
with, and
C.
to, and
D.
with, from
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【单选题】Please write and tell me your study. [     ]
A.
for
B.
to
C.
about
D.
of
查看完整题目与答案
【单选题】Please call study center _____ 443-5667 for more information. [     ]
A.
at
B.
on
C.
in
D.
for
查看完整题目与答案
【多选题】下列选项属于创造良好的创业和就业制度环境的有( )
A.
加强就业相关法制建设和宣传力度
B.
加快劳动力市场制度建设；
C.
提供就业咨询平台
D.
完善公共就业服务制度体系。
查看完整题目与答案
【单选题】If you have any problems during your study here, please do not _______ to call me for help
A.
hesitate
B.
despair
C.
urge
D.
request
查看完整题目与答案
【判断题】函数 的复合过程是 , .
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【单选题】I’m sure your parents are _______ with your progress in English study.A．pleaseB．pleasingC．please
A.
87. I’m sure your parents are _______ with your progress in English study. A．please
B.
pleasing
C.
pleased
D.
Pleasant
查看完整题目与答案
【单选题】Please tell me ______ your study. [     ]
A.
about
B.
with
C.
of
D.
on
查看完整题目与答案
【单选题】Father is writing in the study. Will you please _______ the radio? [     ]
A.
turn up
B.
turn on
C.
turn down
D.
turn over
查看完整题目与答案
【单选题】Jack _______ the test for further study in the college. Let’s have a party to congratulate him.
A.
passes
B.
has passed
C.
has been passing
D.
had passed
查看完整题目与答案
【单选题】Please be careful ______ your study ______ now on.
A.
to, from
B.
with, and
C.
to, and
D.
with, from
查看完整题目与答案
【单选题】Please write and tell me your study. [     ]
A.
for
B.
to
C.
about
D.
of
查看完整题目与答案
【单选题】Please call study center _____ 443-5667 for more information. [     ]
A.
at
B.
on
C.
in
D.
for
查看完整题目与答案
【多选题】下列选项属于创造良好的创业和就业制度环境的有( )
A.
加强就业相关法制建设和宣传力度
B.
加快劳动力市场制度建设；
C.
提供就业咨询平台
D.
完善公共就业服务制度体系。
查看完整题目与答案
【单选题】If you have any problems during your study here, please do not _______ to call me for help
A.
hesitate
B.
despair
C.
urge
D.
request
查看完整题目与答案
【判断题】函数 的复合过程是 , .
A.
正确
B.
错误
查看完整题目与答案
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